Car-door.



A. M. MOYLAN.

CAR DOOR- APPLICATION FILED DEC-10, IQIY- k Q Q if? Mu N Patented Dec.17, 1918.

i 3 SHEETSSHEET I- A. M. MOYLAN.

CAR DOOR.

I APPLICATION FILED DEC. 10, I917. 1,287,730. Patented Dec.17, 1918.

3 SHEETSSHEET 2.

A. M. MOYLAN.

CAR DOOR.

APPLICATION men 050.10, 1911.

1,28?,'730. Patented De0.17,1918.

3 SHEETS-SHEET 3 ALEXANDER M. MOYLAN, OE CENTURY, FLORIDA.

CAR-DOOR.

Specification of Letters Patent. Patented Dec. 1'7, 1918.

Application filed December 10, 1917. Serial no. 206,499.

To all whom it may concern:

Be it known that I, ALEXANDER M. MOY- LAN, a citizen of the UnitedStates, residing at Century, in the county ofEscambia and State ofFlorida, have invented certain new and useful Improvements in Car-Doors,of which the following-is a specification.

This invention relates to an improved door construction and whileadapted for general,

And the invention has as a still further object to provide an improvedtype of hanger for supporting the door upon its roller bearings.

Other and incidental objects will appear as the description proceeds,and in the drawings wherein I have illustrated the preferred embodimentof the invention, and wherein similar reference characters desig- 'natecorresponding parts throughout the several views:

Figure 1 1s a front elevatlon showing my improved door applied to theside wall of a car and showing the door closed.

Fi 2 is a vertical sectional view taken on the line 22 of Fig. 1 andlooking in the direction of the arrows, this view particularly showingthe mounting of the roller bearings employed within the upper and lowersupporting bars of the door frame.

Fig. 3 is a fragmentary sectional view taken on the line 3-3 of Fig. 1,showing the manner in which the outer margin of the door is adapted toenter the front supporting bar of the frame when the door is closed aswell as illustrating the latch for the door.

Fig. 4 is a fragmentary perspective view particularly showing one of theelbows of the door frame.

Fig. 5 is a plan view particularly illustrating the construction of thehangers for the door as well as the manner in which the said hangers areadapted to engage the roller bearings employed. i r

Fig. 6 is a longitudinal sectional View more particularly illustratingthe construction of the body of the door.

Fig. 7 is a view similar to Fig. 6, and showing a modified form of theinvention.

Fig. 8 is a detail perspective view showing the end sections of themodified form of door and the screen between the said sections.

Fig. 9 is a fragmentary sectional view showing the manner in which thehangers of the middle section of the modified form of door are offset tosupport the said sectlOlS in front of the end sections of the door, anFig. 10 is a detailperspective view showing one of the offset hangers ofthe middle section of the door, as employed in the modified structure.

Referring more particularly to the drawings, I have shown my improveddoor in connection with one sidewall'10 of a box car. 1 Formed throughthis wall is the door opening 11. In carrying out the invention I employasubstantially rectangular door frame including upper and lower parallelsupporting bars 12 and 13, a forward stop bar 14 and a rear stop loar 15extending parallel to the forward stop bar. As par-.

ticularly shown in Fig. 2, the bar 12 is arranged immediately above'theupper edge of the door opening to lie flush therewith while the bar 13'is disposed slightly below the lower edge of the door opening. Further,it will be observed upon reference to Fig. 3, that the front stop bar 14is mounted flush with the forward edge of the door opening; Connectingthe several bars at the corners of the frame are elbows 16, one of whichis shown in detail in Fig. 4 of the drawings. These elbowstelescopically receive the said bars and the angularly disposed portionsof the elbows are provided with lateral lugs or cars 17 through whichsuitable fastening devices are fitted for rigidly connecting the framewith the side wall of the car. The several bars of the frame arepreferably formed of lengths of metallic pipe and with the exception ofthe bar 15 are longitudinally slotted upon the inner sides thereof. Theelbows 16 are also formed upon their inner sides with similar slots.Fitted through said elbows to engage in suitable notches 18 in the endsof the top and bottom bars 12 and 13 of the frame are bolts or otherfastening devices 19. Similar'fastenin devices 20 are fitted through thesaid el ows to engage in notches similar to the notches 18 in the endsof the end bars 14 and 15 of the frame. The fastening devices 19 and 20are extended into the side wall 10 of the car to cooperate with thefastening devices engaging the ears 17 of the said elbows for connectingthe frame with the said wall. As will thus be seen, the fasteningdevices 19 and 20 will act to lock the top and bottom bars of the frameas. well as the end bars thereof against 'rotation upon the said elbows.The slots of the several bars 12, 13 and 14 will consequently be rigidlyheld to re ister with the slots of the elbows.

ounted to move within the door frame is a door indicated as a whole bythe reference numeral 21. This door is preferably constructed of metal,and as shown in Fig. 6 of the drawings, is formed of a plurality ofspaced parallel sections extending vertically between the top and bottombars of the frame and rigidly connected by batten strips 22. The upperand lower edges of these sections as well as of the strips 22,preferably terminate flush with the inner faces of'the said bars. Formedon the ends of the door sections, medially thereof, are longitudinallyextending hangers 23 and while I have shown each of the sections asprovided with a pair of hangers, still, it will be understood that thenumber of hangers employed may be varied as desired. These hangers arepreferably formed integral with the door sections and, as shown in Fig.2, are of equal thickness therewith to extend through the slots in thetop and bpttom bars of the frame. Formed on the shanks of the saidhangers are oppositely extending lateral bearing brackets 24. 'Thesebearing brackets are substantially 'L-shaped and, as shown in detail inFig. 5 of the drawings, are presented downwardly to confront the hangershanks at opposite sides thereof.

Mounted within the upper and lower supporting bars 12 and 13 of theframe to cooperate with the hangers of the door, are spherical rollerbearings 25. These bearings, as particularly shown in Fig. 2. of thedrawings, are loosely received within the said bars to travellongitudinally therein and are each provided with a circumferentialgroove 26 defining a reduced annular bearing pin 27 axially of thebearing. A pair of the roller bearings 25 is employed in connection witheach of the hangers 23 and are arranged at opposite sides of the hangershanks to freely receive the brackets 24 within the slots 26 of the saidhearings to engage over the bearing pins 27. The brackets 24 of thehangers will thus coact with the bearing pins 27 of the roller bearingsto support the door for movement longitudinally of the door frame uponthe said bearings,

the bearings, of course, being caused to r0- tate within the bars 12 and13 of the frame as the door is shifted so that the door may be freelyand easily opened or closed. Furthermore, it will be noted that thisconstruction provides an arrangement whereby the possibility of bindingof the door betweenbar and adapted to engage through a staple hen 30upon the door for holding the door closed.

At its free end the latch 28 is, as shown in Fig. 1, preferably formedto receive a suitable seal. Mounted upon the side wall of the car at theinner vertical edge of the door opening, is a stop 31 arranged tocooperate with an inwardly directed flange 32 upon the inner edge of thedoor for limiting the door in its movement to closed position andproviding a closed joint between the door and the said wall of the caratthe inner margin I i of the door. In order that the lower supportingbar 13 of the frame may be efl'ectually drained, this bar is, asparticularly shown in Figs. 2 and 6 of the drawings, proyided with aplurality of spaced drain openings.

In Figs. 7, 8', 9 and 10 of the drawings I have illustrated a modifiedform of the invention which relates more particularly to the mounting fthe sections of the door. In this modification the side wall of the carhas been indicated at 33 and is shown as formed with a doorv opening 34.Surroundtical with the frame of the preferred construction The door isformed of a plurality of sections including end sections 36 and middlesections 37. All of these sections are generally similar to the sectionsof the door previously described, the sections 36.

being provided at their ends with hangers 38 identlcal wlth the hangers23 of the preferred construction and arranged to coop-' erate withsimilar roller bearings within theupper and lower supporting bars of theframe to suspend the door for movement a ing this opening, 1s the-doorframe 35 idenlongitudinally within the frame. Q Formed at the inner edgeof the innermost section similar to thecorresponding elements of thepreferred construction. In carrying out the modification the doorsections 36 are formed at their inner edges with outwardly extendinglateral flanges 42 between which are arranged a plurality of rods 43rigidly connecting the said sections and supporting the sections inspaced parallel relation. Overlying these rods is a screen 44. As shOWnin detail in Fig. 10 of the drawings, the middle sections 37 of the doorare formed with hangers 45 the shanks of which are offset to support thesaid middle sections in front of the end sect-ions 36 lying against theouter edges of the flanges 42 of the said end section. The hangers 45are otherwise constucted in accordance with the hangers of the preferredform of the invention and co- .operate with roller bearings 39 similarto the bearings 25 of the preferred construction. The sections 87 areformed to overlap at their inner edges closing the space between thesections 36 of the door and at their outer edges are provided withinwardly turned flanges 46 to coiiperate with the flanges 42 of thesections 36 for limiting the movement of said middle sections to closedposition. One of the sections 37 is equipped with an approved latch 47while the other section is. equipped with a staple 48 for receiving thelatch so that the said sections may be sealed.

' This modified form of the invention provides an arrangement wherebythe middle sections 37 of the door may be arranged to expose the screen44 and ventilate the car through the door opening 34. At the same timethis result is accomplished without displacing the door. sections 36 ofthe door adjacent their outer edges, are stop pins 49 adapted forengagement with the outer edges of the middle sections 37 for limitingthese latter sections in their movement to open position. For holdingthe said sections 37 in such position these sections are equipped withlatches 50 td en- Mounted upon the end.

the as]; aware b 2. A device of the character described 111' .:1; ins"wubr iart eprer ins, ban r eriee bea1'ings' I loosely fitted therein totravel "within the bar and formed with hearing pins, a door, and ahanger extending from the door and including a hanger shank projectinginto the bar between said bearings and formed with oppositely directedlateral L-shaped brackets engaging over the bearing pins for connectingsaid bearings and.

supporting the door upon the bearings.

3. A device of the character described including upper and lowerparallel tubular supporting bars upper and lower pairs of sphericalbearings mounted to travel within the bars respectively and formed withbearing pins, a door, ahanger projecting from the upper marginof thedoor and including a hanger shank projecting into the upper bar betweenthe bearing pins of the upper air of bearings and formed at its outerterminal with oppositely directed lateral l -shaped brackets engagingover the said pins and connecting the bearings of said pair, and ahanger projectingfrom the lower margin of the door and including ahanger shank projecting into the lowermost bar between the bearing pinsof the lower pair of bearings and formed in spaced relation to its lowerterminal with oppositely directed lateral L-shaped brackets engagingover the bearing pins of the lower pair of bearings and connecting thebearings of such latter pair.

4. A device of the character described including a door frame havingparallel tubular top and bottom bars,,paralle1 tubular forward and rearend bars, and elbows connecting said bars and formed with slots, the topand bottom bars and the forward end bar being longitudinally slotted,means eX- ,tendmg through the said elbows and engaging the ends of saidbars for holding the slots thereof in register with the slots of theelbows, lugs formed on the elbows, fastening devices engaging throughsaid lugs for securing the frame in operative position, the said meansbeing extended beyond the elbows to coiiperate with the said fasteningdevices forialso securing the frame in position, and a door mountedwithin the door frame and operatively received through said slots.

A device of the character described including a tubular supporting bar,a pair of spherical bearings loosely fitted therein to travel withinthebar and formed} with hearing pins, :1 door, and a hanger extendingfrom the door into the bar and including in udin'g a hanger a hangershank projecting between'the bear ing pins, a door, and a hangerprojecting ings and eoacting with said pins for spacing from the doorinto the bar between said the bearings apart, and brackets carried bybearings and engaged with the bearing pins the shank and engaging overthe bearing for connecting the bearings and support- 5 pins forconnectin the bearings and suping the door therefrom, the hanger being15 porting thedoor t erefrom. adapted for free disengagement from the-6. A device of the character described inbearings.

eluding a, tubular supporting bar, a pair of In testimony whereof Iaffix my signature. sphericalbearings loosely fitted therein to r t I 10travel within the bar and formed with bear- ALEXANDER. M. MOYLAN. [n s.]

Copies of this patent may be obtained for five cents each, by addressingthe -Commissioner of Patents,

- r Washington, D. G.

